Albert e



(No Model.)

LETTER PAPER.

No. 450,130. Patented Apr. 14, 1891.

j-zweflz ar' filler! ZLBQZW r 7 2 %:ed-arney UNITED STATES PATENT OFFICE.

ALBERT BAKER, OF INDIANAPOLIS, INDIANA.

LETTER-PAPER.

SPECIFICATION forming part of Letters Patent No. 450,130, dated April 14, 1891.

Application filed November 10, 1890. Serial No. 370,917. (No model.)

To all whom it may concern:

Be it known that I, ALBERT R. BAKER, a citizen of the United States, residing in Indianapolis, in the countyof Marion and State of Indiana, have invented a new and useful Improvement in Letter-Paper, of which the following is a specification.

In the majority of papers used for typewriter and hand-writing purposes the surfaces are required to be hard and somewhat rough, sometimes very rough, and this causes trouble to the lithographer or printer in the execution of his part of the work in the printing of letter-heads, bill-heads, &c., it being impossible to do fine printing upon this description of paper.

My invention is designed to produce a kind of writing-paper adapted to the finest lithographic and engraving printing, and also adapted to the uses of the ordinary type-writer and hand-writing.

The paper which forms the subject of my invention consists of a sheet of letter or other paper coated in the process of its manufacture at the top or other point where the printing is to be done with a soluble ,filling forming a uniform surface readily smoothed by the calendering-rolls, While the balance of the sheet is left uncoated and unfinished, or, in other words, in a condition best adapting it to Writing purposes. A sheet thus prepared will enable the reproduction of the most delicate lines and tints upon the surfaced portion, so that the finest effect known to the printers art can be brought out upon them without detracting from the utility of the balance of the sheet for writing purposes. The sheet thus becomes a combined printing and Writing paper, securing results which have never before been combined in the same sheet.

I show at Figure 1 of the drawings a face View of a sheet of paper embodying my invention, and at Fig. 2 an edge view thereof.

In said drawings, A represents the portion of the sheet intended to be written upon. This portion is of the ordinary type-writer or writing-paper variety and it is not surfaced or calendered" to an extent which injures it for writing purposes, and it may be like any of the ordinary type-writer and writing paper. The top portion B of the sheet or other part intended to be printed upon is surfaced with a soluble filling (shown at b) in the process of its manufacture, and afterward smoothed by the calendering-rolls, so as to produce a uniform surface adapted to take and reproduce the most delicate lines and tints of engravings, lithographs,- etc. The character of this soluble filling and the mode of its application are well understood by those skilled in the art of paper-making, and hence need not be here set forth.

Instead of the soluble filling, the portion of the paper which is to be printed upon may be prepard by what is known as the highcalendering process, the remainder of the sheet being left in condition for Writing, as already set forth.

I claim- I The new article of manufacture consisting of a sheet of Writing-paper having a portion of the page made with a prepared surface adapted for printing, substantially as specified.

ALBERT R. BAKER.

Witnesses:

EDWARD DANIELS, JOHN H. LANGDON. 

